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LCD Timing Ciruit

A15 U3D U3C WR 9 8 RD 10 74HC00 74HC00 D2 13 12 11 33pF C8

LCD Timing Ciruit
A15 U3D U3C WR 9 8 RD 10 74HC00 74HC00 D2 13 12 11 33pF C8
+5V R3
10K 2 Reg Sel
External RAM Connection LCD Interface
U5 Enable Data 0 Data 1 Data 2 Data 3 Data 4 Data 5 Data 6 Data 7 U6 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 19 18 17 16 15 14 13 12 10 9 8 7 6 5 4 3 25 24 21 23 2 26 1 20 22 27 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 CE OE WE 62256 RAM D0 D1 D2 D3 D4 D5 D6 D7 11 12 13 15 16 17 18 19 AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 ALE RD WR A15 A8 A9 A10 A11 A12 2 3 4 5 6 7 8 9 11 1 D1 D2 D3 D4 D5 D6 D7 D8 C OC 74HC573 GND Cont R / W +5V
U3A 3 ENABLE 3
2 10 11 12 13 PA6 74HC00 PA0 PA1 PA2 PA3 PA4 PA5 PA7 BAT85 A14 WR 14 1 2 3 4 5 6 7 8 9
Clock Generation Circuit
R15 100R
+5V CLOCK
5 74HC00 R2 R1 2K 82K Y1
Programming Interface
L.E.D MOSI P-RESET SCK MISO 1 3 5 7 9 2 4 6 8 10 VCC +5
4Mhz C2 150pF C1 27pF
HEADER 5X2
ALL PORTS TO AT 90S8515
R16 1K T O PD0 ON 8515 T O PD1 ON 8515 NC CLOCK T O PD2 ON 8515 T O PD3 ON 8515 T O PD4 ON 8515 T O PD5 ON 8515 RESET VCC PD0 PB7(SCK) PD1 PB6(MISO) XTAL2 PB5(MOSI) XTAL1 PB4 (INTO)PD2 PB3 PD3 PB2 (TO)PD4 PB1(AIN1) PD5 PB0(AIN0) GND PD6 TO PB7 ON 8515 TO PB6 ON 8515 TO PB5 ON 8515 TO PB4 ON 8515 TO PB3 ON 8515 TO PB2 ON 8515 TO PB1 ON 8515 TO PB0 ON 8515 T O PD6 ON 8515
R13 1K MOSI
BAT85
AT90S1200 20PI N DIGITAL
AT90S8515 40PI N DIGITAL
Lights and Switches
+5V RESET XTAL1 XTAL2 1 2 3 4 8 7 6 5
PD2 PD3
HEADER 8X2
PB2(SCK / TO) PB1(MISO / INTO) PB0(MOSI)
PD4 PD5
PB3 PB4 Resnet
AT90LS2323 8PIN DIGITAL
( ALL PORTS THE SAME ONE PORT FOR CLARITY )
PD6 PD7
TO PB6 ON 8535 PB5 TO PB5 ON 8535 TO PB7 ON 8535 PORT (D0) SELECT PB7 +5V OC1B 1 ICP 10K ISOLATED RESENET 3 GND 5 6 10K 2 1
External Co nnections
Active 0 on Switches
INTERFACE CONNECTION INTERFACE CONNECTION
Analog ALL PORTS TO AT90S8535
Active 0 on LEDs
ADC0 ADC2 1 3 5 7 P-RESET RESET Q2 BC182 3 AGND 9 10 2 4 6 8
ADC1 ADC3 ADC5 ADC7 AREF LINK (CUT ) 3
Brownout Detector Circuit
ADC4 ADC6
Digital
PD0 PD2 PD4
Decoupling Capacitors
E X T RESET TO MISC HEADER
5V Brownout 2
Q1 BC182 3
Interface Connection
TO(PA0)ON 8515 TO(PA1)ON 8515 TO(PA2)ON 8515 TO(PA3)ON 8515 TO(PA4)ON 8515 TO(PA5)ON 8515 TO(PA6)ON 8515 TO(PA7)ON 8515 RESET +5V XTAL2 XTAL1 T O(PC7)ON 8515 T O(PC6)ON 8515 T O(PC5)ON 8515 T O(PC4)ON 8515 T O(PC3)ON 8515 T O(PC2)ON 8515 T O(PC0)ON 8515
RS232 Circuit
U4 1 2 3 4 5 6 7 8 C1+ V+ C1C2+ C2VT2OUT R2IN Vcc GND T1OUT R1IN R1OUT T1IN T2IN R2OUT 16 15 14 13 12 11 10 9
REG1 LM317T
VOUT ADJ VIN 2
+ C11 10uF
+ C12 10uF
+ C9 10uF
+ C10 10uF
(TO) PB0 (T1) PB1 (AINO) PB2 (AIN1) PB3 (SS) PB4 (MOSI) PB5 (MISO) PB6 (SCK) PB7 RESET VCC GND XTAL2 XTAL1 (RXD) PD0 (TDX) PD1 (INTO) PD2 (INT1) PD3 (OC1B) PD4 (OC1A) PD5 (ICP) PD6
PA0 (ADC0) PA1 (ADC1) PA2 (ADC2) PA3 (ADC3) PA4 (ADC4) PA5 (ADC5) PA6 (ADC6) PA7 (ADC7) AREF AVCC AGND PC7 PC6 PC5 PC4 PC3 PC2 PC1 PC0 PD7
TO EXT PORT
Power Supply
AT90S8535 40PI N ANALOG
100NF
MAX202CPE
RS232
C5 470nF
R5 39R
REG2 LM7 8L05ACH
+ VOUT GND VIN 1
BRIDGE
RXD TXD
C6 100nf
S1 C3 220uF
R4 680R
C4 470nF
External Pow er Source (DC or AC)
SW SPST
Title
(C) 1998 KANDA SYSTEMS S T K200 STARTER KIT
AGND Size Date:
Do cument Number KA-ANA-ST1 Wednesd ay, August 04, 1999 Sheet
Rev V0.2 1 of 1
METER